APA (7th ed.) Citation

De Camp, L. S., & De Camp, C. C. (1991). The pixilated peeress. Ballantine Books.

Chicago Style (17th ed.) Citation

De Camp, L. Sprague, and Catherine Crook De Camp. The Pixilated Peeress. New York: Ballantine Books, 1991.

MLA (9th ed.) Citation

De Camp, L. Sprague, and Catherine Crook De Camp. The Pixilated Peeress. Ballantine Books, 1991.